chassis,Kenwood’s ProTalk ®meets military standards for reliable performance in demanding work environments.KHS-22Behind-the-head Headset w/PTT KHS-232-Wire Palm Mic KHS-25D-Ring Ear Hanger with PTT & Boom Mic KHS-26Earbud In-line PTT Headset KHS-27Earbud In-line PTT Headset KHS-31C-...